SKF BR930050 Wheel Bearing and Hub Assembly - Front

Overview of SKF BR930050 Wheel Bearing and Hub Assembly

The SKF BR930050 is a precision-engineered wheel bearing and hub assembly designed specifically for select BMW models. This component ensures reliable wheel rotation and supports vehicle stability for BMW 318i, 325e, 325es, 325i, 325is, and 325iX models.

• Inside Diameter: 1.202 inches for accurate fitment
• Wheel Pilot Diameter: 2.249 inches to maintain wheel alignment
• Brake Pilot Diameter: 2.595 inches ensuring proper brake rotor positioning
• Flange Diameter: 4.725 inches for secure mounting
• Compatible with multiple BMW 3 Series variants

Technical Details and Specifications

The SKF BR930050 wheel bearing and hub assembly features an inside diameter of 1.202 inches, which is critical for fitting the axle shaft securely. The wheel pilot diameter of 2.249 inches helps maintain precise wheel centering, reducing vibrations and uneven tire wear. The brake pilot diameter of 2.595 inches ensures the brake rotor is properly aligned, which is essential for consistent braking performance. Additionally, the flange diameter of 4.725 inches provides a stable mounting surface for the wheel hub, contributing to overall vehicle safety and handling. This assembly is engineered to meet the exact specifications required by BMW 318i, 325e, 325es, 325i, 325is, and 325iX models, ensuring compatibility and reliable operation.

Applications and Problem Resolution

This wheel bearing and hub assembly is used to replace worn or damaged components in the driveline and axle system of compatible BMW vehicles. It addresses several common issues, including:

• Excessive wheel play or looseness
• Unusual noises such as grinding or humming from the wheel area
• Uneven tire wear caused by misalignment
• Brake rotor misalignment affecting braking efficiency
• Vibration or instability during driving

Installation Notes and Tips

When installing the SKF BR930050, ensure the vehicle is securely lifted and supported. Clean the mounting surfaces thoroughly before installation to prevent contamination. Verify that the inside diameter and pilot diameters match the vehicle specifications to avoid fitment issues. Use a calibrated torque wrench to tighten the flange bolts to the manufacturer’s recommended specifications. It is advisable to inspect related components such as axle shafts and brake rotors during installation to ensure overall system integrity.

Quality Assurance and Warranty Information

SKF manufactures the BR930050 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, SKF typically offers coverage against manufacturing defects, providing confidence in the product’s reliability for BMW 318i, 325e, 325es, 325i, 325is, and 325iX applications.